Finding the Fourth Proportional to 75,860.08, 113,804.80 and 29,109.32
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Solution
The fourth proportional to 75,860.08, 113,804.80 and 29,109.32 is: 43,669.61
Step by Step Solution
- Step 1: Write the proportion equation
75,860.08 : 113,804.80 = 29,109.32 : x - Step 2: Convert to fraction form
75,860.08/113,804.80 = 29,109.32/x - Step 3: Cross multiply
75,860.08x = 113,804.80 × 29,109.32 - Step 4: Simplify right side
75,860.08x = 3,312,780,340.74 - Step 5: Solve for x
x = 3,312,780,340.74/75,860.08 - Step 6: Final answer
x = 43,669.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.